Thirlby would play Portman's sister, and Greta Gerwig (breakout star from "Greenberg") is believed to be playing the role of Portman's friend who suspects Kutcehr actually has feelings for her. Kevin Kline is on board as well, presumably as Portman's father.

The film changed its name from "F***buddies" to "Friends With Beneifts," for obvious reasons. It's now untitled due to the glut if "FWB" projects floating around, including a Justin Timberlake romcom and forthcoming sitcom on NBC from Michael Weber and Scott Neustadter, writers of "(500) Days of Summer."